戴明环的正确动作顺序为()。
A、DPCA
B、PCDA
C、PDCA
D、PAD
参考答案:C
After ________ series of unsuccessful attempts, he has finally passed
________driving test.
A./;the
B.a; the
C.the; a
D./;a
1977年提出"生物-心理-社会医学模式"的学者是()
A.Smilkstein
B.G.L.EnSle
C.Dr.Raiakumar
D.PeterLee
E.Olson